Camera-Based Signage Detection and Recognition for Blind Persons

@inproceedings{Wang2012CameraBasedSD,
  title={Camera-Based Signage Detection and Recognition for Blind Persons},
  author={Shuihua Wang and Yingli Tian},
  booktitle={ICCHP},
  year={2012}
}
Signage plays an important role for wayfinding and navigation to assist blind people accessing unfamiliar environments. In this paper, we present a novel camera-based approach to automatically detect and recognize restroom signage from surrounding environments. Our method first extracts the attended areas which may content signage based on shape detection. Then, ScaleInvariant Feature Transform (SIFT) is applied to extract local features in the detected attended areas. Finally, signage is… CONTINUE READING

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